The Universal Derailleur Hanger (UDH) consolidates thousands of hanger options across the frame and bike building industry. It protects your derailleur against chain jams by pivoting back and out of the way, and slips slightly when encountering impacts. It improves shifting performance, guarantees better alignment, and works with all thru axles rear dropouts and drivetrains. Plus, if you ever need replacement, it will be available everywhere.